Shell-shaped clock



FIG. 1 is a perspective view of shell-shaped clock showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

The ornamental design for shell-shaped clock, or similar article, asshown and described.